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EnglishIn the present investigation, Fluidized Bed (FB) treatment is applied to pre-treat CrN interlayers onto WC-Co substrates to promote the growth on them of highly adherent diamond coatings. During FB treatment, the CrN interlayers are submitted to high speed impacts of loose abrasives. The action of their cutting edges is able to deeply change the starting morphology of the as-deposited Physical Vapour Deposition (PVD) CrN interlayers, thus promoting the establishment of a highly corrugated surface on which to grow Hot Filament-Chemical Vapour Deposition (HF-CVD) diamond coatings. Growth, morphology, adhesion and wear resistance of the CVD deposited diamond coatings onto the FB treated and just seeded CrN interlayers were looked into and compared to diamond coated WC-Co substrates with the untreated CrN interlayers or pre-treated with a two-step chemical etching (Murakami's reagent and Caro's acid, MC-treatment) or with FB. FB treatment proved to be an effective technique to tailor the surface morphology and roughness of CrN films deposited by PVD-arc technique, and was found to be very useful in improving the adhesion and wear resistance of CVD diamond onto the CrN interlayers.
Cristofanilli, G., POLINI, R., & BARLETTA, M. (2010). HF-CVD of diamond coatings onto fluidized bed (FB) treated CrN interlayers. THIN SOLID FILMS, 519(5), 1594-1599.
| Tipologia: | Articolo su rivista |
| Citazione: | Cristofanilli, G., POLINI, R., & BARLETTA, M. (2010). HF-CVD of diamond coatings onto fluidized bed (FB) treated CrN interlayers. THIN SOLID FILMS, 519(5), 1594-1599. |
| IF: | Con Impact Factor ISI |
| Lingua: | English |
| Settore Scientifico Disciplinare: | Settore ING-IND/16 - Tecnologie e Sistemi di Lavorazione Settore CHIM/03 |
| Revisione (peer review): | Sì, ma tipo non specificato |
| Tipo: | Articolo |
| Rilevanza: | Rilevanza internazionale |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.tsf.2010.07.112 |
| Stato di pubblicazione: | Pubblicato |
| Data di pubblicazione: | 2010 |
| Titolo: | HF-CVD of diamond coatings onto fluidized bed (FB) treated CrN interlayers |
| Autori: | |
| Autori: | Cristofanilli, G; POLINI, R; BARLETTA, M |
| Appare nelle tipologie: | 01 - Articolo su rivista |
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|---|---|---|---|---|
| TSF_2010_519_1594-1599.pdf | Articolo principale | Versione Editoriale (PDF) | Copyright dell'editore | UNIVERSITY_NETWORK Richiedi una copia |
http://hdl.handle.net/2108/26189
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